Gaoke  Inc.in Beijing, shandong, jilin, heilongjiang, Inner Mongolia, hebei,  hubei, jiangxi, sichuan, jiangsu, fujian, tianjin, Shanghai, shanxi,  xinjiang, gansu, zhejiang, anhui and other national 25 provinces, cities  and municipalities directly under the central government and set up  aftersales service outlets in each node resident offices and after-sales  service, for customers and potential customers timely to provide  technical support services and technical guidance, to ensure that the  company can provide users with more high-quality products and services.